Inspection Procedure B-6: Half latch switch and/or full latch switch signals are not received: Diagnosis

WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.

STEP 1. Using scan tool (M.U.T.-III), check data list

Disconnect the negative battery terminal and wait for approximately 30 seconds.

Check the signals related to the power liftgate operation.

Half latch switch: OFF → ON

Full latch switch: OFF → ON

Item No.	Item name	Normal conditions
Item 5	Half latch switch	OFF → ON
Item 6	Full latch switch	OFF → ON

OK: Normal conditions are displayed for all the items.

Q: Is the check result normal?

All are normal.: Go to Step 9.

Normal condition is not displayed for items 5 and 6.: Go to Step 2.

Normal condition is not displayed for item No. 5.: Go to Step 5.

Normal condition is not displayed for item No. 6.: Go to Step 7.

STEP 2. Half-latch and full-latch switches check
Check the liftgate latch (refer to LIFTGATE LATCH CHECK ).

Q: Is the check result normal?
- YES: Go to Step 3.
- NO: Replace the liftgate latch.
STEP 3. Resistance measurement at liftgate latch connector (half-latch switch/full latch switch ground line terminal).
1. Disconnect the connector, and measure at the wiring harness side.
2. Measure the resistance between liftgate latch connector (half-latch switch/full latch switch ground line terminal) and body ground.
  OK: Continuity exists (2 Ω or less).
Q: Is the check result normal?
- YES: Intermittent malfunction (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).
- NO: Go to Step 4.
STEP 4. Check of open circuit in ground line between liftgate latch connector (half-latch switch/full latch switch terminal) and body ground.
Q: Is the check result normal?
- YES: Go to Step 9.
- NO: Repair the connector(s) or wiring harness.
STEP 5. Half-latch switch check
Check the liftgate latch (refer to LIFTGATE LATCH CHECK ).

Q: Is the check result normal?
- YES: Go to Step 6.
- NO: Replace the liftgate latch.
STEP 6. Check of open circuit in HARF line between power liftgate control unit connector and liftgate latch connector.
Q: Is the check result normal?
- YES: Go to Step 9.
- NO: Repair the connector(s) or wiring harness.
STEP 7. Full-latch switch check
Check the liftgate latch (refer to LIFTGATE LATCH CHECK ).

Q: Is the check result normal?
- YES: Go to Step 8.
- NO: Replace the liftgate latch.
STEP 8. Check of open circuit in FULL line between power liftgate control unit connector and liftgate latch connector.
Q: Is the check result normal?
- YES: Go to Step 9.
- NO: Repair the connector(s) or wiring harness.
STEP 9. Check of the troubles
Check whether the half latch switch and/or the full latch switch signal are received normally.

Q: Is the check result normal?
- YES: Intermittent malfunction (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).
- NO: Go to Step 10.
STEP 10. After the replacement of liftgate latch, recheck the trouble symptom.
1. Replace the liftgate latch.
2. Check whether the half latch switch and/or the full latch switch signal are received normally.
Q: Is the check result normal?
- YES: The procedure is complete.
- NO: Replace the power liftgate control unit.